Lucy briefly considered turning herself back into her original form- before she realized that 'Luke' would likely be killed on sight, whereas 'Lucy' was specifically wanted alive.
And she had to live, for her home's sake. So Lucy looked inside the house whose wall had the hole she'd escaped into, avoiding the now-alert thieves and steering clear of the bugs skittering in the corners of the dilapidated house, and found a staircase leading up.
Each oaken step was like a sheer cliff before the shrunken Lucy. But the wall on her side had been weathered by time, enough to leave her some handholds that allowed her to climb onto the moldy banister. She gingerly made her way up to the top...